package com.atguigu.lease.web.app.service.impl;


import com.atguigu.lease.common.constant.RedisConstant;
import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import com.atguigu.lease.common.utils.VerifyCodeUtil;
import com.atguigu.lease.model.entity.UserInfo;
import com.atguigu.lease.model.enums.BaseStatus;
import com.atguigu.lease.web.app.service.LoginService;
import com.atguigu.lease.web.app.service.SmsService;
import com.atguigu.lease.web.app.service.UserInfoService;
import com.atguigu.lease.web.app.vo.user.LoginVo;
import com.atguigu.lease.web.app.vo.user.UserInfoVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.concurrent.TimeUnit;


@Service
public class LoginServiceImpl implements LoginService {
    @Autowired
    private StringRedisTemplate stringRedisTemplate;
    @Autowired
    private SmsService smsService;
    @Autowired
    private UserInfoService userInfoService;

    @Override
    public void getCode(String phone) {
        if (!StringUtils.hasText(phone)){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_PHONE_EMPTY);
        }
        String key = RedisConstant.APP_LOGIN_PREFIX + phone;
        Boolean hasKey = stringRedisTemplate.hasKey(key);
        if(hasKey){
            //验证码剩余时间
            Long expire = stringRedisTemplate.getExpire(key);
            if(RedisConstant.APP_LOGIN_CODE_TTL_SEC - expire < RedisConstant.APP_LOGIN_CODE_RESEND_TIME_SEC){
                throw new LeaseException(ResultCodeEnum.APP_SEND_SMS_TOO_OFTEN);
            }
        }
        String verifyCode = VerifyCodeUtil.getVerifyCode(6);
        smsService.sendCode(phone, verifyCode);
        stringRedisTemplate.opsForValue().set(key, verifyCode, RedisConstant.APP_LOGIN_CODE_TTL_SEC, TimeUnit.SECONDS);
    }

    @Override
    public String login(LoginVo loginVo) {
        //手机号是否为空
        if(!StringUtils.hasText(loginVo.getPhone())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_PHONE_EMPTY);
        }
        if(!StringUtils.hasText(loginVo.getCode())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_EMPTY);
        }
        String key = RedisConstant.APP_LOGIN_PREFIX + loginVo.getPhone();
        String codeInRedis = stringRedisTemplate.opsForValue().get(key);
        if(codeInRedis == null){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_EXPIRED);
        }
        if(!codeInRedis.equals(loginVo.getCode())){
            throw new LeaseException(ResultCodeEnum.APP_LOGIN_CODE_ERROR);
        }
        LambdaQueryWrapper<UserInfo> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(UserInfo::getPhone, loginVo.getPhone());
        UserInfo userInfo = userInfoService.getOne(queryWrapper);

        if(userInfo == null){
            userInfo = new UserInfo();
            userInfo.setPhone(loginVo.getPhone());
            userInfo.setNickname("用户-" + loginVo.getPhone().substring(5));
            userInfo.setStatus(BaseStatus.ENABLE);
            userInfoService.save(userInfo);
        }else{
            if (userInfo.getStatus().equals(BaseStatus.DISABLE)) {
                throw new LeaseException(ResultCodeEnum.ADMIN_ACCOUNT_DISABLED_ERROR);
            }
        }
        return JwtUtil.createToken(userInfo.getId(), userInfo.getPhone());
    }

    @Override
    public UserInfoVo getUserInfoId(Long id) {
        UserInfo userInfo = userInfoService.getById(id);
        return new UserInfoVo(userInfo.getNickname(), userInfo.getAvatarUrl());
    }
}
